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WO2017176665A1 - Structures fibreuses en couches ayant des propriétés intensives communes différentes - Google Patents

Structures fibreuses en couches ayant des propriétés intensives communes différentes Download PDF

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Publication number
WO2017176665A1
WO2017176665A1 PCT/US2017/025828 US2017025828W WO2017176665A1 WO 2017176665 A1 WO2017176665 A1 WO 2017176665A1 US 2017025828 W US2017025828 W US 2017025828W WO 2017176665 A1 WO2017176665 A1 WO 2017176665A1
Authority
WO
WIPO (PCT)
Prior art keywords
fibrous structure
fibrous
fibers
web material
layered
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2017/025828
Other languages
English (en)
Inventor
David William Cabell
Michael Gomer STELLJES
John Gerhard Michael
Janese Christine O'brien Stickney
Joshua Thomas Fung
Paul Arlen Forshey
Paul Dennis Trokhan
Jeffrey Glen Sheehan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of WO2017176665A1 publication Critical patent/WO2017176665A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/16—Paper towels; Toilet paper; Holders therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/05—Interconnection of layers the layers not being connected over the whole surface, e.g. discontinuous connection or patterned connection
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/06—Washing or drying
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/14—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/007—Addition polymers
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/04—Kraft or sulfate pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/28—Organic non-cellulose fibres from natural polymers
    • D21H13/30—Non-cellulose polysaccharides
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002—Tissue paper; Absorbent paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002—Tissue paper; Absorbent paper
    • D21H27/004—Tissue paper; Absorbent paper characterised by specific parameters
    • D21H27/005—Tissue paper; Absorbent paper characterised by specific parameters relating to physical or mechanical properties, e.g. tensile strength, stretch, softness
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/30—Multi-ply
    • D21H27/38—Multi-ply at least one of the sheets having a fibrous composition differing from that of other sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/021—Fibrous or filamentary layer
    • B32B2260/023—Two or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0223—Vinyl resin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B32B2262/067—Wood fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2555/00—Personal care
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2509/00—Medical; Hygiene

Definitions

  • a fibrous structure that exhibits improved surface properties without the negatives associated with the current application of surface chemistries, such as lotions and/or surface softening agents, such as silicones and/or quaternary ammonium compounds, sanitary tissue products comprising such a fibrous structure, and a method for making such a fibrous structure.
  • surface chemistries such as lotions and/or surface softening agents, such as silicones and/or quaternary ammonium compounds
  • sanitary tissue products comprising such a fibrous structure, and a method for making such a fibrous structure.
  • the present invention provides a layered, optionally dispersible structure that exhibits improved surface and/or absorbent properties compared to known fibrous structures comprising a first web material, such as a web of wood pulp fibers, methods for making same, and sanitary tissue products comprising such layered, optionally dispersible structures.
  • the fiber slurry is then used to deposit a plurality of the fibers onto a forming wire, fabric, or belt such that an embryonic web material is formed, after which drying and/or bonding the fibers together results in a web material, for example the first web material.
  • Further processing of the first web material may be carried out such that a finished first web material is formed.
  • the finished first web material is the web material that is wound on the reel at the end of papermaking, often referred to as a parent roll, and may subsequently be converted into a finished fibrous structure of the present invention, e.g. a single- or multi-ply fibrous structure and/or a single- or multi-ply sanitary tissue product.
  • the web material, for example the first web material is a coformed web material comprising a plurality of filaments and a plurality of fibers commingled together as a result of a coforming process.
  • Basis Weight as used herein is the weight per unit area of a sample reported in lbs/3000 ft 2 or g/m 2 (gsm) and is measured according to the Basis Weight Test Method described herein.
  • the line element may comprise a plurality of discrete elements, such as dots and/or dashes for example, that are oriented together to form a line element of the present invention.
  • the line element may comprise a combination of line segments and discrete elements, such as dots and/or dashes for example, that are oriented together to form a line element of the present invention.
  • the line element may be formed by a plurality of discrete shapes that together form a line element.
  • the line element may comprise discrete shapes selected from the group consisting of: dots, dashes, triangles, squares, ellipses, and mixtures thereof.
  • the line elements of the first series of line elements may exhibit the same elevations, which are higher than the elevations of the line elements of the second series of line elements.
  • the line elements of the first series of line elements may exhibit the same basis weights, which are lower than the basis weights of the line elements of the second series of line elements.
  • the line element and/or line element forming component is continuous or substantially continuous within a fibrous structure, for example in one case one or more 11 cm x 11 cm sheets of fibrous structure.
  • wet textured as used herein means that a 3D patterned fibrous structure ply comprises texture (for example a three-dimensional topography) imparted to the fibrous structure and/or fibrous structure's surface during a fibrous structure making process.
  • wet texture can be imparted to a fibrous structure upon fibers and/or filaments being collected on a collection device that has a three-dimensional (3D) surface which imparts a 3D surface to the fibrous structure being formed thereon and/or being transferred to a fabric and/or belt, such as a through-air-drying fabric and/or a patterned drying belt, comprising a 3D surface that imparts a 3D surface to a fibrous structure being formed thereon.
  • the first fibrous structure ply 28 comprises an exterior layer, the surface material 16, for example the second web material 18, comprising a plurality of fibrous elements, for example a plurality of filaments 20, such as hydroxyl polymer filaments, for example starch and/or starch derivative filaments, present at a level of greater than 6 and/or greater than 8 and/or greater than 10 and/or greater than 12 and/or greater than 14 and/or greater than 16 and/or at least 18 and/or less than 40 and/or less than 35 and/or less than 30 and/or less than 25 gsm, and an additional layer, the first web material 12, which comprises a plurality of fibrous elements, for example a plurality of fibers, such as pulp fibers, for example wood pulp fibers, present at a level of greater than 6 and/or greater than 8 and/or greater than greater than 10 and/or greater than 12 and/or greater than 14 and/or greater than 16 and/or at least 18 and/or less than 55 and/or less than 50 and/or less than 40 and/
  • One or more fluid-releasing holes 25 may be associated with a fibrous element-forming hole 23 such that the fluid exiting the fluid-releasing hole 25 is parallel or substantially parallel (rather than angled like a knife-edge die) to an exterior surface of a filament exiting the fibrous element- forming hole 23.
  • the fluid exiting the fluid-releasing hole 25 contacts the exterior surface of a filament formed from a fibrous element-forming hole 23 at an angle of less than 30° and/or less than 20° and/or less than 10° and/or less than 5° and/or about 0°.
  • One or more fluid releasing holes 25 may be arranged around a fibrous element- forming hole 23.
  • the first web material of the present invention may be single-ply or multi-ply web material.
  • the first web materials of the present invention may comprise one or more first web materials, the same or different from each other so long as one of them comprises a plurality of pulp fibers.
  • the first web material and/or wet laid fibrous structure ply may exhibit differential density.
  • the pattern formed by the top surface 96 of patterned molding member 50 is impressed into the predried web material 92 to form a 3D patterned web material 98, a first web material of the present invention.
  • the 3D patterned web material 98 can then be adhered to the surface of the Yankee dryer 94 where it can be dried to a consistency of at least about 95%.
  • the surface material comprises a second web material.
  • the second web material may comprise a plurality of fibrous elements, such as fibers and/or filaments.
  • the second web material comprise a plurality of naturally-occurring fibers, for example pulp fibers, such as wood pulp fibers (hardwood and/or softwood pulp fibers).
  • Suitable naturally occurring starches can include, but are not limited to: corn starch, potato starch, sweet potato starch, wheat starch, sago palm starch, tapioca starch, rice starch, soybean starch, arrow root starch, amioca starch, bracken starch, lotus starch, waxy maize starch, and high amylose corn starch.
  • Naturally occurring starches, particularly corn starch and wheat starch can be particularly beneficial due to their low cost and availability.
  • the polymer melt compositions of the present invention and/or fibrous elements, such as filaments of the present invention may comprise, in addition to the fibrous element-forming polymer, other polymers, such as non-hydroxyl polymers.
  • Non-limiting examples of suitable crosslinking facilitators include benzoic acid, citric acid, formic acid, glycolic acid, lactic acid, maleic acid, phthalic acid, phosphoric acid, hypophosphoric acid, succinic acid, and mixtures thereof and/or their salts, such as their ammonium salts, such as ammonium glycolate, ammonium citrate, ammonium chloride, ammonium sulfate.
  • R is independently selected from substituted or unsubstituted, linear or branched C 6 alkyls and mixtures thereof.
  • R is an unsubstituted, branched C 6 alkyl having the following structure XII.
  • the surfactant that is present in the interior of the fibrous element may be determined by extracting the fibrous element with a solvent that dissolves the surfactant and also swells the fibrous elements, such as water/alcohol or water/acetone mixtures followed by analysis for surfactant by a technique such as LC mass spec.
  • the fibrous element may be treated with an enzyme such as amylase that degrades the fibrous element- forming polymer, for example polysaccharide, but not the fast wetting surfactant and the resulting solution may be analyzed for the surfactant by LC-mass spec.
  • Hueing Agents such as amylase that degrades the fibrous element- forming polymer, for example polysaccharide, but not the fast wetting surfactant and the resulting solution may be analyzed for the surfactant by LC-mass spec.
  • suitable polymeric dyes include polymeric dyes selected from the group consisting of Liquitint® Violet CT, carboxymethyl cellulose (CMC) covalently bound to a reactive blue, reactive violet or reactive red dye such as CMC conjugated with C.I. Reactive Blue 19, sold by Megazyme, Wicklow, Ireland under the product name AZO-CM-CELLULOSE, product code S-ACMC, alkoxylated triphenyl-methane polymeric colourants, alkoxylated thiophene polymeric colourants, and mixtures thereof.
  • CMC carboxymethyl cellulose
  • Sample dimensions can be changed or varied using a similar precision cutter as mentioned above, so as at least 645 square centimeters of sample area is in the stack. Average Diameter Test Method
  • the approximate resolution of the images is 1 ⁇ / ⁇ . Images will typically show a distinct bimodal distribution in the intensity histogram corresponding to the filaments and the background. Camera adjustments or different basis weights are used to achieve an acceptable bimodal distribution. Typically 10 images per sample are taken and the image analysis results averaged.
  • Sample Weight mg of dry fiber in the 50 ml sample (can leave blank if NOT measuring for coarseness). This is the number calculated in #10 of Sample Prep below.
  • the 3D image field of view is approximately 35 mm on each side in the xy-plane with a resolution of approximately 2 ⁇ , and with a sufficient number of 10 micron thick slices collected to fully include the z- direction of the sample.
  • the reconstructed 3D image resolution contains isotropic voxels of 10 microns. Images are acquired with the source at 45 kVp and 200 ⁇ with no additional low energy filter.
  • the appropriate surface texture is a coating by the name "Plasma 11000 Series ® PC-11015 (coating thickness 0.003/0.005 inches)", which is applied by American Roller Company Plasma Coatings from Arlington, TN.
  • the probe 112 is attached near the end of the aluminum arm 114, approximately 13 cm in length, with the probe's long axis attached perpendicular to the long axis of the arm 114.
  • a probe pin 120 is attached to the end of the arm opposite the probe.
  • a fibrous structure sample 110 is prepared by cutting a 15 cm by 10 cm rectangular sample from a finished product. Test samples are selected to avoid perforations, creases or folds within the testing region. Prepare ten (10) substantially similar replicate samples for testing. All fibrous structure samples 110 being tested are equilibrated in a controlled environment (23° C + 2 C° and 50% + 2% RH) for at least 2 hours before testing.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Paper (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

L'invention concerne des structures fibreuses en couches et éventuellement dispersibles contenant au moins deux couches qui présentent des propriétés intensives communes différentes, des papiers sanitaires et domestiques utilisant de telles structures fibreuses en couches et éventuellement dispersibles, et des procédés pour les fabriquer.
PCT/US2017/025828 2016-04-04 2017-04-04 Structures fibreuses en couches ayant des propriétés intensives communes différentes Ceased WO2017176665A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662318145P 2016-04-04 2016-04-04
US62/318,145 2016-04-04

Publications (1)

Publication Number Publication Date
WO2017176665A1 true WO2017176665A1 (fr) 2017-10-12

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US (1) US20170282524A1 (fr)
WO (1) WO2017176665A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11220790B2 (en) 2017-01-20 2022-01-11 The Procter & Gamble Company Multi-ply fibrous structures
US11149383B2 (en) 2017-01-20 2021-10-19 The Procter & Gamble Company Layered fibrous structures
EP3710521A4 (fr) * 2017-11-13 2021-08-04 Council of Scientific and Industrial Research Impression 3d de polymères sans gauchissement
WO2021087513A1 (fr) 2019-10-28 2021-05-06 The Procter & Gamble Company Papier hygiénique comprenant une surface dynamique
WO2021087512A1 (fr) * 2019-10-28 2021-05-06 The Procter & Gamble Company Papier hygiénique comprenant une surface non-adhérente

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US7208459B2 (en) 2004-06-29 2007-04-24 The Procter & Gamble Company Laundry detergent compositions with efficient hueing dye
US20080034511A1 (en) 2004-09-23 2008-02-14 Batchelor Stephen N Laundry Treatment Compositions
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